package java实验二;
import java.util.Scanner;
public class 程序2 {
	public static void main(String[] args)
	{
		int number1=(int)(Math.random()*10);
		int number2=(int)(Math.random()*10);
		if(number1>number2)
		{
			int t=number1;
			number1=number2;
			number2=t;
			
		}
		System.out.print("What is"+number1+"-"+number2+"? ");
		Scanner input =new Scanner(System.in);
		int answer =input.nextInt();
		if(number1-number2== answer)
			System.out.println("You are correct!");
		else
		{
			System.out.println("Your answer is wrong.");
			System.out.println(number1+ "-" +number2+"should be "+(number1-number2));
			
			
		}
		input.close();
	}
}
